update customize

app_odoo_customize/static/src/js/dialog.js

@@ -0,0 +1,17 @@
+odoo.define('app_odoo_customize.dialog', function (require) {
+'use strict';
+
+    var Dialog = require('web.Dialog');
+
+    Dialog.include({
+        open: function () {
+            this._super.apply(this, arguments);
+            this._opened.then(function(){
+                $(".modal-content").draggable({
+                    handle: ".modal-header"
+                });
+            });
+            return this;
+        },
+    });
+});

app_odoo_customize/static/src/scss/dialog.scss

@@ -0,0 +1,7 @@
+.modal  {
+    .modal-content  {
+        .modal-header.ui-draggable-handle   {
+            cursor: move;
+        }
+    }
+}